<button class="animated-button">Button</button>

<style>
/* From Uiverse.io by amerfad - Tags: button */
.animated-button {
  background-color: #ff6b6b;
  border: none;
  color: #ffffff;
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 22px;
  margin: 4px 2px;
  cursor: pointer;
  font-family: 'Montserrat', sans-serif;
  letter-spacing: 2px;
  border-radius: 50px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  overflow: hidden;
  position: relative;
  transition: all 0.3s ease;
}

.animated-button:after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background-color: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  opacity: 0;
  transform: translate(-50%, -50%);
  transition: all 0.5s ease;
}

.animated-button:hover:after {
  width: 210px;
  height: 200px;
  opacity: 1;
}

.animated-button:focus {
  outline: none;
}

.animated-button:active {
  transform: translateY(2px);
  box-shadow: none;
}

</style>
